Interobserver and Intraobserver Error in Distal Femur Transepicondylar Axis Measurement With Computed Tomography

被引：20

作者：

Hung, Chester Lie Wai ^{[1
]}

Pan, Yau Wai ^{[1
]}

Yuen, Chiu Kwong ^{[1
]}

Bong, Leung Hon ^{[1
]}

Sha, Lisa Wong Lei ^{[2
]}

Man, Simon Wong Ho ^{[2
]}

机构：

[1] Univ Hong Kong, Queen Mary Hosp, Dept Orthopaed & Traumat, Hong Kong, Hong Kong, Peoples R China

[2] Queen Mary Hosp, Dept Radiol, Hong Kong, Hong Kong, Peoples R China

来源：

JOURNAL OF ARTHROPLASTY | 2009年 / 24卷 / 01期

关键词：

transepicondylar axis; computed tomography; interobserver error; intraobserver error; total knee arthroplasty; TOTAL KNEE ARTHROPLASTY; FEMORAL COMPONENT ROTATION; PATELLAR TRACKING; EPICONDYLAR AXIS; ALIGNMENT;

D O I：

10.1016/j.arth.2007.11.014

中图分类号：

R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学（修复外科学）];

学科分类号：

摘要：

On 2 separate occasion at least 1 week apart, 6 independent observers studied errors in identification of the transepicondylar axis (TEA) using computed tomography in 10 cadaveric knees. The reference surgical TEA was established by dissection of specimens. We found an average error of 2.6 degrees (external rotation) when the TEA was identified by computed tomography. The error was significantly smaller when the TEA was identified by using a conventional axial image than when a 3-dimensional reconstruction image was used (P < .001, paired t test). No significant intraobserver error (P = .814, Wilcoxon rank test) was found when the measurement was performed using conventional 2-dimensional computed tomography images. However, significant interobserver difference was evident (P < .001, Friedman test).

引用

页码：96 / 100

页数：5

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